N+ 2 = va-n For what value of the constant a does the above equation have n = 1 as the only solution?

What number produces an irrational number when multiplied by -1.25

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187